Question

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Que.⭐i)What is an isotope ?
ii)What are isobars ?
iii) What are isotones ?

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Answer 1

isotopes

they have same atomic no but different mass no

helium deuterium are eg

iso bars

they have same mass no different atomic no

eg 18Ar40, 19K40, 20Ca40

isotones

they have same no of neutron

eg 1H3 , 2He4 both have two neutron